AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999XT18 ∴ Orbital info ∴ Epoch epochXXX

(41228) 1999XT18 ▹

ORBITAL INFORMATION

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(ASCII data file 41228.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.55159	8.984e-09	au
e	0.262617	5.358e-08
i	3.546	4.863e-06	deg
Ω	176.18	6.248e-05	deg
ω	158.12	6.304e-05	deg
M	27.497	1.093e-05	deg

Other useful info
Absolute Magnitude (H)	15.3	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8815	au
Aphelion	3.2217	au
Asc. node-Earth separation	2.14629	au
Desc. node-Earth separation	0.90613	au
Earth MOID	0.87204	au
Orbital period	1488.72	days
Date of orbit computation	apr 23 19:54

Correlation matrix
1.00000000	-0.49933807	0.01998503	-0.00441592	0.06623895	-0.83098383
-0.49933807	1.00000000	-0.02068543	0.00059616	-0.04040818	0.48845005
0.01998503	-0.02068543	1.00000000	-0.34348201	0.34116228	-0.01673663
-0.00441592	0.00059616	-0.34348201	1.00000000	-0.99016917	0.00433042
0.06623895	-0.04040818	0.34116228	-0.99016917	1.00000000	-0.11986476
-0.83098383	0.48845005	-0.01673663	0.00433042	-0.11986476	1.00000000

Covariance matrix
8.07158201E-17	-2.40356040E-16	8.73169420E-16	-2.47860481E-15	3.75137732E-14	-8.15846154E-14
-2.40356040E-16	2.87052977E-15	-5.38964071E-15	1.99549554E-15	-1.36473477E-13	2.85981245E-13
8.73169420E-16	-5.38964071E-15	2.36498620E-11	-1.04357854E-10	1.04585935E-10	-8.89444208E-13
-2.47860481E-15	1.99549554E-15	-1.04357854E-10	3.90313599E-09	-3.89954747E-09	2.95646865E-12
3.75137732E-14	-1.36473477E-13	1.04585935E-10	-3.89954747E-09	3.97370794E-09	-8.25706782E-11
-8.15846154E-14	2.85981245E-13	-8.89444208E-13	2.95646865E-12	-8.25706782E-11	1.19418807E-10